Washing brush for motor vehicles



FIG. 1 is a side elevational view of a washing brush for motor vehicles showing my new design, the opposite side being a mirror image thereof;

FIG. 2 is a front end perspective view thereof;

FIG. 3 is a rear end perspective view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a washing brush for motor vehicles, as shown and described. 